Quarterly report pursuant to Section 13 or 15(d)

Significant Accounting Policies - Percentage of Net Service Revenue Earned by Category of Payor (Details)

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Significant Accounting Policies - Percentage of Net Service Revenue Earned by Category of Payor (Details)
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Home health services    
Disaggregation of Revenue [Line Items]    
Percentage of net service revenue 100.00% 100.00%
Hospice services    
Disaggregation of Revenue [Line Items]    
Percentage of net service revenue 100.00% 100.00%
Home and community-based services    
Disaggregation of Revenue [Line Items]    
Percentage of net service revenue 100.00% 100.00%
Facility-based services    
Disaggregation of Revenue [Line Items]    
Percentage of net service revenue 100.00% 100.00%
HCI    
Disaggregation of Revenue [Line Items]    
Percentage of net service revenue 100.00% 100.00%
Medicare | Home health services    
Disaggregation of Revenue [Line Items]    
Percentage of net service revenue 59.60% 64.10%
Medicare | Hospice services    
Disaggregation of Revenue [Line Items]    
Percentage of net service revenue 93.00% 94.10%
Medicare | Facility-based services    
Disaggregation of Revenue [Line Items]    
Percentage of net service revenue 52.50% 52.70%
Medicare | HCI    
Disaggregation of Revenue [Line Items]    
Percentage of net service revenue 9.70% 21.30%
Managed Care, Commercial, and Other | Home health services    
Disaggregation of Revenue [Line Items]    
Percentage of net service revenue 40.40% 35.90%
Managed Care, Commercial, and Other | Hospice services    
Disaggregation of Revenue [Line Items]    
Percentage of net service revenue 7.00% 5.90%
Managed Care, Commercial, and Other | Home and community-based services    
Disaggregation of Revenue [Line Items]    
Percentage of net service revenue 63.60% 70.80%
Managed Care, Commercial, and Other | Facility-based services    
Disaggregation of Revenue [Line Items]    
Percentage of net service revenue 47.50% 47.30%
Managed Care, Commercial, and Other | HCI    
Disaggregation of Revenue [Line Items]    
Percentage of net service revenue 90.30% 78.70%
Medicaid | Home and community-based services    
Disaggregation of Revenue [Line Items]    
Percentage of net service revenue 36.40% 29.20%